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Senior Mechanical Engineer - Top Secret clearance

Lockheed Martin

Engineering Jobs

Senior Mechanical Engineer - Top Secret clearance

full-timePosted: Dec 22, 2025

Job Description


Description:Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, in-vest, inspire, and integrate our capabilities to transform the future.

At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the work-force to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity.

Join us in shaping a new era in space and find a career that's built for you.

Lockheed Martin Space is seeking a Mechanical Engineer to join our team in King of Prussia, PA!

As a mechanical engineer, you will:
- Design mechanical structures and hardware using 3D CAD modeling tools
- Create mechanical drawings and manage drawing lifecycle using data management software
- Assist with engineering test efforts
- Coordinate with other disciplines to ensure robust engineering design
Basic Qualifications:
- Active Top Secret clearance
- Experience with PTC Creo, or similar 3D CAD modeling software (e.g. Solidworks or NX)
- Experience creating, releasing, and/or managing mechanical drawing releases and revisions
- Familiar with geometric dimensioning and tolerancing (GD&T)
Desired Skills:
- Master's Degree in Mechanical Engineering
- Experience with additive manufacturing and/or 3D printing
- Experience with mechanical engineering testing
- Familiar with PTC Windchill
- Familiar with aerospace industry specifications (ASME, ASTM, SAE, etc.)
- Understanding of design for manufacturing (DFM) principles
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Top Secret
Other Important Information You Should Know
Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 9x80 every other Friday off
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: SPACE
Relocation Available: Possible
Career Area: Mechanical Engineering
Type: Full-Time
Shift: First

Locations

  • King of Prussia, Pennsylvania, United States

Salary

Estimated Salary Rangemedium confidence

140,000 - 200,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • PTC Creointermediate
  • 3D CAD modelingintermediate
  • Mechanical drawingsintermediate
  • Data management softwareintermediate
  • GD&Tintermediate
  • Mechanical engineering testingintermediate
  • PTC Windchillintermediate
  • Aerospace specificationsintermediate
  • DFM principlesintermediate

Required Qualifications

  • Active Top Secret clearance (experience)
  • Experience with PTC Creo, or similar 3D CAD modeling software (e.g. Solidworks or NX) (experience)
  • Experience creating, releasing, and/or managing mechanical drawing releases and revisions (experience)
  • Familiar with geometric dimensioning and tolerancing (GD&T) (experience)

Preferred Qualifications

  • Master's Degree in Mechanical Engineering (experience)
  • Experience with additive manufacturing and/or 3D printing (experience)
  • Experience with mechanical engineering testing (experience)
  • Familiar with PTC Windchill (experience)
  • Familiar with aerospace industry specifications (ASME, ASTM, SAE, etc.) (experience)
  • Understanding of design for manufacturing (DFM) principles (experience)

Responsibilities

  • Design mechanical structures and hardware using 3D CAD modeling tools
  • Create mechanical drawings and manage drawing lifecycle using data management software
  • Assist with engineering test efforts
  • Coordinate with other disciplines to ensure robust engineering design

Benefits

  • general: Flexible schedules
  • general: Competitive pay
  • general: Comprehensive benefits
  • general: Alternate work schedules
  • general: 9x80 every other Friday off
  • general: Paid Time off benefits

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Lockheed Martin logo

Senior Mechanical Engineer - Top Secret clearance

Lockheed Martin

Engineering Jobs

Senior Mechanical Engineer - Top Secret clearance

full-timePosted: Dec 22, 2025

Job Description


Description:Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, in-vest, inspire, and integrate our capabilities to transform the future.

At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the work-force to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity.

Join us in shaping a new era in space and find a career that's built for you.

Lockheed Martin Space is seeking a Mechanical Engineer to join our team in King of Prussia, PA!

As a mechanical engineer, you will:
- Design mechanical structures and hardware using 3D CAD modeling tools
- Create mechanical drawings and manage drawing lifecycle using data management software
- Assist with engineering test efforts
- Coordinate with other disciplines to ensure robust engineering design
Basic Qualifications:
- Active Top Secret clearance
- Experience with PTC Creo, or similar 3D CAD modeling software (e.g. Solidworks or NX)
- Experience creating, releasing, and/or managing mechanical drawing releases and revisions
- Familiar with geometric dimensioning and tolerancing (GD&T)
Desired Skills:
- Master's Degree in Mechanical Engineering
- Experience with additive manufacturing and/or 3D printing
- Experience with mechanical engineering testing
- Familiar with PTC Windchill
- Familiar with aerospace industry specifications (ASME, ASTM, SAE, etc.)
- Understanding of design for manufacturing (DFM) principles
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Top Secret
Other Important Information You Should Know
Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 9x80 every other Friday off
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: SPACE
Relocation Available: Possible
Career Area: Mechanical Engineering
Type: Full-Time
Shift: First

Locations

  • King of Prussia, Pennsylvania, United States

Salary

Estimated Salary Rangemedium confidence

140,000 - 200,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • PTC Creointermediate
  • 3D CAD modelingintermediate
  • Mechanical drawingsintermediate
  • Data management softwareintermediate
  • GD&Tintermediate
  • Mechanical engineering testingintermediate
  • PTC Windchillintermediate
  • Aerospace specificationsintermediate
  • DFM principlesintermediate

Required Qualifications

  • Active Top Secret clearance (experience)
  • Experience with PTC Creo, or similar 3D CAD modeling software (e.g. Solidworks or NX) (experience)
  • Experience creating, releasing, and/or managing mechanical drawing releases and revisions (experience)
  • Familiar with geometric dimensioning and tolerancing (GD&T) (experience)

Preferred Qualifications

  • Master's Degree in Mechanical Engineering (experience)
  • Experience with additive manufacturing and/or 3D printing (experience)
  • Experience with mechanical engineering testing (experience)
  • Familiar with PTC Windchill (experience)
  • Familiar with aerospace industry specifications (ASME, ASTM, SAE, etc.) (experience)
  • Understanding of design for manufacturing (DFM) principles (experience)

Responsibilities

  • Design mechanical structures and hardware using 3D CAD modeling tools
  • Create mechanical drawings and manage drawing lifecycle using data management software
  • Assist with engineering test efforts
  • Coordinate with other disciplines to ensure robust engineering design

Benefits

  • general: Flexible schedules
  • general: Competitive pay
  • general: Comprehensive benefits
  • general: Alternate work schedules
  • general: 9x80 every other Friday off
  • general: Paid Time off benefits

Target Your Resume for "Senior Mechanical Engineer - Top Secret clearance" , Lockheed Martin

Get personalized recommendations to optimize your resume specifically for Senior Mechanical Engineer - Top Secret clearance. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Mechanical Engineer - Top Secret clearance" , Lockheed Martin

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

AerospaceDefenseSecurity Clearance73A7A00:SMD Mechanical

Answer 10 quick questions to check your fit for Senior Mechanical Engineer - Top Secret clearance @ Lockheed Martin.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.